<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/320x320/54f640ec11680_-_mustard-greens-sweet-onion-saute-recipe-mslo0211-xl.jpg>
<http://www.delish.com/cooking/g98/cooking-vegetables-how-to/>